.page-faq {
  --faq-accent: var(--orange);
  --faq-flow-gap: clamp(18px, 2.6vw, 30px);
  --faq-sec-pad: clamp(30px, 4.4vw, 52px);
  color: var(--silver);
  font-family: var(--font-body);
  line-height: 1.8;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-top {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(115% 85% at 88% 4%, rgba(37, 216, 199, .18), transparent 58%),
    radial-gradient(90% 70% at 4% 100%, rgba(255, 107, 26, .16), transparent 62%),
    var(--ink-deep);
  overflow: hidden;
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 46%, transparent 92%);
}

.page-faq .faq-top .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 66px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 17ch;
}

.page-faq .faq-lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--silver);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(217, 226, 240, .05);
  font-size: 13px;
  color: var(--silver);
}

.page-faq .faq-stats .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  padding-top: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(38px, 6vw, 72px);
}

.page-faq .faq-index {
  margin-bottom: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(22, 28, 43, .6);
  color: var(--silver);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-faq .faq-index__list a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-accent);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 68px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    margin-bottom: 0;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list a {
    width: 100%;
    border-radius: var(--r-m);
    border-color: transparent;
    border-left: 3px solid transparent;
    background: transparent;
    justify-content: flex-start;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: var(--teal);
    border-left-color: var(--cyan);
  }
}

.page-faq .faq-flow {
  min-width: 0;
  display: grid;
  gap: var(--faq-flow-gap);
}

/* ---------- 分区 ---------- */
.page-faq .faq-sec {
  position: relative;
  padding: var(--faq-sec-pad) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

.page-faq .faq-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec--filter { --faq-accent: var(--orange); }
.page-faq .faq-sec--lineup { --faq-accent: var(--cyan); }
.page-faq .faq-sec--fav { --faq-accent: var(--amber); }
.page-faq .faq-sec--account { --faq-accent: var(--cyan); }
.page-faq .faq-sec--update { --faq-accent: var(--orange); }
.page-faq .faq-sec--service { --faq-accent: var(--amber); }

.page-faq .faq-sec--lineup {
  background: linear-gradient(180deg, rgba(14, 50, 56, .42), transparent 78%);
}

.page-faq .faq-sec--account {
  background: linear-gradient(180deg, rgba(36, 26, 68, .48), transparent 78%);
}

.page-faq .faq-sec--service {
  background: linear-gradient(180deg, rgba(90, 23, 48, .38), transparent 78%);
}

.page-faq .faq-sec__head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-sec__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 32px;
  padding: 0 10px;
  border-radius: var(--r-s);
  background: var(--faq-accent);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .05em;
}

.page-faq .faq-sec__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 14px 0 10px;
  max-width: 21ch;
}

.page-faq .faq-sec__sub {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.05vw, 16px);
  color: var(--silver);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-accent);
  border-radius: var(--r-m);
  background: var(--panel-base);
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-s);
  background: var(--faq-accent);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
}

.page-faq .faq-step__body h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  color: var(--silver);
}

/* ---------- 图文并排 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 18px;
  align-items: start;
}

@media (min-width: 760px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 290px);
    gap: clamp(20px, 3vw, 34px);
  }

  .page-faq .faq-split .faq-figure {
    margin-top: 0;
  }
}

.page-faq .faq-split__copy {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15px;
  color: var(--silver);
}

/* ---------- 要点列表 ---------- */
.page-faq .faq-notes {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-notes--wide {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-notes li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: rgba(14, 50, 56, .5);
  font-size: 15px;
  color: var(--silver);
}

.page-faq .faq-notes li strong {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 位置对照 ---------- */
.page-faq .faq-map {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-map__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-faq .faq-map__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-faq .faq-map__key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}

.page-faq .faq-map__val {
  font-size: 15px;
  color: var(--silver);
}

.page-faq .faq-map__val a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-map__val a:hover,
.page-faq .faq-map__val a:focus-visible {
  color: var(--amber);
}

/* ---------- 渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 780px) {
  .page-faq .faq-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-channel {
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: var(--r-m);
  background: var(--panel-base);
}

.page-faq .faq-channel__tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(245, 185, 70, .16);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-channel__val {
  margin: 12px 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-channel__val.mono {
  font-family: var(--font-mono);
}

.page-faq .faq-channel__desc {
  margin: 0;
  font-size: 14px;
  color: var(--silver);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-more {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-q {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(22, 28, 43, .62);
  overflow: hidden;
}

.page-faq .faq-q + .faq-q {
  margin-top: 10px;
}

.page-faq .faq-q summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
  transition: background .2s ease;
}

.page-faq .faq-q summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q summary:hover,
.page-faq .faq-q summary:focus-visible {
  background: rgba(217, 226, 240, .06);
}

.page-faq .faq-q summary::after {
  content: "";
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: -4px;
  border-right: 2px solid var(--faq-accent);
  border-bottom: 2px solid var(--faq-accent);
  transform: rotate(45deg);
  transition: transform .25s ease, margin-top .25s ease;
}

.page-faq .faq-q[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-faq .faq-q[open] summary {
  background: rgba(217, 226, 240, .05);
}

.page-faq .faq-a {
  padding: 0 18px 18px;
  font-size: 15px;
  color: var(--silver);
}

.page-faq .faq-a p {
  margin: 12px 0 0;
  max-width: 62ch;
}

.page-faq .faq-a p:first-child {
  margin-top: 0;
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  margin-bottom: clamp(40px, 6vw, 84px);
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-l);
  background:
    radial-gradient(95% 125% at 100% 0%, rgba(255, 107, 26, .26), transparent 62%),
    linear-gradient(135deg, var(--wine), var(--violet) 56%, var(--teal));
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-cta__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-cta h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 12px 0 12px;
  max-width: 18ch;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  color: var(--silver);
}

.page-faq .faq-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-faq .faq-cta__more {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--silver);
}

.page-faq .faq-cta__more a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-cta__more a:hover,
.page-faq .faq-cta__more a:focus-visible {
  color: var(--cyan);
}

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-step {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }

  .page-faq .faq-step__num {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .page-faq .faq-stats li {
    padding: 7px 13px;
    font-size: 12px;
  }

  .page-faq .faq-cta__row .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q summary,
  .page-faq .faq-q summary::after,
  .page-faq .faq-index__list a {
    transition: none;
  }
}